Toshiba laptop fan speed up and then slow down issue. Feedback

I have a Toshiba 17" with a Core 2 Duo 1.6GHz processor that has a Fan issue. Once in every 30 seconds or so the fan will speed up for a second and then calm down. It only does this on my XP OS. I dual boot to Ubuntu and don't have the issue on that OS. Thanks in advance and I will leave a positive 5 star rating for all comments that are somewhat helpful.

I have a toshiba and that is exactly what the fan is doing to cool off the processor. That is because when you boot XP the fan stops after 30 seconds is simply it has no difficult operation on it. But when you choose to switch on to Ubuntu your fan doesn't stop is because ubuntu requires more air since it has so much effort on its operation. Mind you when you installed ubuntu, it requires larger video graphics memory than the XP OS. Try to execute more websites on different tabs on your XP and you will find your fan will work overtime because you put much required operation for the processor. But to help the fan cools off the internal devices, place cooling pad beneath the notebook so that your PC will be safe.

Fan speed is directly related to CPU utilisation. Check the processes running in Windows (CTRL+ALT+DEL) and select task list, click on processes then click on the CPU heading to display processes in order of utilisation. This will identify what's causing the CPU and resulting fan activity.

Windows is a "Chatty" operating system, whereas Linux is much more efficient, hence this explains why you're not getting this with Ubunto.

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This could be the result of to much dirt build up in the heat sink ports blocking vital air flow. Buy a can of compressed air and blow it on fan any open ports, this should prove if the fans the issue, the speed should slow down because of increase air flow cooling the laptop. If this works the machine should be taken apart for better clean out.

The answer to your first question is yes, your computer is compatible with the MAC OS. However it is very important to continue to ask this question to the MAC Salesperson you deal with when purchasing the software.

The answer to your second question is to do with Heat. Your computer is overheating and is therefore slowing down so it does not fry your CPU. You need to ensure that the Processor Heat sink is making proper contact with the CPU and the fan is connected to the computer main board. Clean the computer of all dust and install as many fans as your computer chassis will allow.
I think this chassis supports up to 80mm fans.

A well cooled computer chassis will work efficiently and effectively.

The Cooler Master Geminii S CPU cooler is a very good CPU cooler for your Processor.
It will reduce the temperature of your Processor by several degrees.

It is very important to get as much, cooler fresh air into your computer chassis as possible. As this will mean that your computer system will run at a far cooler temperature.

Try newegg.com, tigerdirect.com,directron.com,geeks.com. You want a Core 2 Duo cpu fan oem (socket LGA 775). Should be able to get one around 10 dollars or so plus shipping. You can pay more for a bigger fan but you really would not need it. OEM will be just fine.

The
cause of this problem is first in the dust, which could have
accumulated on the fan, which in the process of cooling the processor
and chipset, chipset graphics card and motherboard as a whole and could
be sensitive part of the temperature that controls the work of the fan
has been by the damage and does not work and resolve This
problem must be connected to the fan stream directly from the
motherboard does not exceed 3 volts in order to operate the fan

Your processor is probably getting too hot. When it gets hot, the fan speed will increase. You will heed to have the processor heat sink checked, cleaned, and new thermal paste applied to it. You will also need to clean your cooling fans if they are dirty.

If your Entourage database is rather large, it would definitely slow down your laptop. I'd highly recommend moving to the maximum RAM your laptop can take, even if your particular laptop can only take 2GB. Can you tell me the processor speed and model (e.g., 2GHz Core Duo or 2.16ghz Core 2 Duo)?

Intel Core 2 Duo is the latest laptop processor intel has made so it is newer than the original dual core. They have a few different cpu's so depending on your budget choose the core 2 duo with the fastest speed you can afford. Hope this helps & please take a moment to rate this solution. Thanks.